Toro Workman 3000 Series, Service Manual

Page: 59 / 306

Workman 3300–D/4300–D
Page 4 – 17
Briggs/Daihatsu Diesel Engine
Engine Removal (Fig. 10)
1. Put vehicle on a level surface and engage parking
brake. Stop the engine and remove key from ignition
switch. Allow engine to cool.
2. Raise or remove the bed or other attachment(s) to
gain access to engine. If bed is raised, place safety sup-
port on lift cylinder (see Operator’s Manual).
3. Disconnect negative (–) and then positive (+) battery
cables at the battery.
4. Remove exhaust manifold from vehicle (see Ex-
haust System Removal in this section).
5. Loosen hose clamp that secures air intake hose to
engine. Remove intake hose from engine.
6. Disconnect fuel hose from fuel injection pump on en-
gine. Plug end of fuel hose to prevent contamination and
fuel spillage. Position disconnected fuel hose away from
engine.
7. Note location of cable ties used to secure wire leads.
Label and disconnect electrical leads that attach to en-
gine:
A. Battery cable and fusible link harness from starter
solenoid stud.
B. Double wire from spade terminal on starter sole-
noid.
C. Wires from oil pressure switch, temperature
sender on water pump housing and high tempera-
ture switch.
D. Harness connector and wire with ring terminal
from alternator.
E. Harness connector with ring terminal from glow
plug connector.
F. Harness connector from fuel solenoid on injec-
tion pump.
G. Harness connector from crankshaft sensor.
8. Disconnect accelerator cable from throttle lever on
engine. Position accelerator cable away from engine.
9. Drain coolant from radiator (see Operator’s Manual).
Loosen hose clamps and remove upper and lower ra-
diator hoses from engine. Position hoses away from en-
gine.
10.Remove four (4) cap screws (item 2) and lock nuts
(item 5) that fasten both ends of hydraulic pump drive-
shaft to rubber couplers (Fig. 11). Locate and retrieve
coupling spacers (item 3). Remove driveshaft.
Figure 11
1. Engine pulley
2. Cap screw (4 used)
3. Coupling spacer (4 used)
4. Rubber
coupling
5. Lock nut (6 used)
6. Coupling spacer (4 used)
7. Flat washer (4 used)
8. Cap screw (2 used)
9. Hyd. pump driveshaft
10. Cap screw (2 used)
2
3
5
4
1
7
8
9
6
5 2
3
4
6
7
10
Figure 12
1. Cap screw
2. Flat washer
3. R–clamp
4. Spacer
5. Engine
mount
6. Snubbing washer
7. Engine mount
8. Engine support
9. Lock nut
10. Guard (2 used)
2
3
5
6
4
1
8
9
10
7
1
2
4
6
6
6
7
7
7
9
Briggs/Daihatsu
Diesel Engine